BBC's Blue Planet covers all of those fish in their natural habitat. The constructed a submersible that fit only 2 men, with 12cm thick acrylic windows to with stand the pressure...it allowed them to go 1000m under!! An amazing series to watch.

BBC's Blue Planet covers all of those fish in their natural habitat. The constructed a submersible that fit only 2 men, with 12cm thick acrylic windows to with stand the pressure...it allowed them to go 1000m under!! An amazing series to watch.